Merge "Notify the ART runtime when boot is complete." am: f83748ae28 am: 6b9ab57b2d

am: ed22d5f05c

Change-Id: I88c5ab8807446464854d59f95ffc2877fa6aa963

core/java/android/os/ZygoteProcess.java

@@ -741,6 +741,31 @@ public class ZygoteProcess {
         }
     }
 
+    /**
+     * Notify the Zygote processes that boot completed.
+     */
+    public void bootCompleted() {
+        // Notify both the 32-bit and 64-bit zygote.
+        if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
+            bootCompleted(Build.SUPPORTED_32_BIT_ABIS[0]);
+        }
+        if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
+            bootCompleted(Build.SUPPORTED_64_BIT_ABIS[0]);
+        }
+    }
+
+    private void bootCompleted(String abi) {
+        try {
+            synchronized (mLock) {
+                ZygoteState state = openZygoteSocketIfNeeded(abi);
+                state.mZygoteOutputWriter.write("1\n--boot-completed\n");
+                state.mZygoteOutputWriter.flush();
+            }
+        } catch (Exception ex) {
+            throw new RuntimeException("Failed to inform zygote of boot_completed", ex);
+        }
+    }
+
     /**
      * Push hidden API blacklisting exemptions into the zygote process(es).
      *